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What Are the Colors of Alien Life?

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The Milky Way

The Milky Way, from Scutum to Serpens and northern Sagittarius.

Credit: John Chumack/Science Source

Just before it became the first man-made vessel to leave the solar system, in 1990, Voyager 1 took a portrait of Earth, some four billion miles away.

From The New Yorker
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